athenahealth, a developer of cloud-based practice management, EHR and patient communication services, has signed a definitive agreement to acquire Proxsys, a Birmingham, Ala.-based provider of cloud-based care coordination services between physicians and hospitals.

Palmetto Primary Care of Charleston, S.C., has moved to replace its RIS/PACS with its installation of Carestream Healths Vue RIS and PACS platforms.

Pharmacy benefit managers (PBMs) Express Scripts and Medco Health Solutions have entered into a definitive merger agreement.

Agfa HealthCare has been awarded a three-year contract by Premier Purchasing Partners, setting up the imaging and health IT company to offer film and other imaging accessories to thousands of U.S. providers.

North Jersey Spine Group, in Wayne, N.J., and Alegent Health Back & Spine Institute, in Omaha, Neb., selected NovaOrtho, Novarads orthopedic PACS that facilitates image and information management and provides orthopedic pre-op templates.

A consortium comprised of Apax Partners, Canada Pension Plan Investment Board (CPPIB) and the Public Sector Pension Investment Board (PSP) has entered into a merger agreement to purchase global medical technology company Kinetic Concepts (KCI) for $68.50 per share, or $6.3 billion.

Thermo Fisher Scientific has acquired TREK Diagnostic Systems from Magellan Biosciences.

Bacterin International Holdings has acquired the assets of Robinson MedSurg (RMS).